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Forces Test Review
Forces Test Review
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Conceptual Physics review of Newton's Laws and Forces
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
A force that opposes the motion of an object that is sliding is called
inertia
gravity
force
friction
2
what kind of friction is it when you push a box and it doesn't move?
rolling
fluid
static
unbalanced
3
What is the NET FORCE of an object when balanced forces act on it?
negative
positive
unbalanced
zero
4
Its takes longer for a plane to travel against the wind than with the wind because of friction
F
T
5
Newton's third law is the law of
acceleration
weight
inertia
action/reaction force pairs
6
Force of gravity acting on an object is also known as
mass
none
weight
inertia
7
What is the net force on this object?
3 N, down
0 N
3 N
11 N, down
8
What does an arrow represent?
size & direction of a scalar
size & momentum of force
magnitude and direction of a vector
speed & direction of a scalar
9
If this object has a mass of 3kg, what is its acceleration?
15 m/s2
9 m/s2
21 m/s2
1 m/s2
10
Forces with a 0 net force are
accelerating
changing direction
unbalanced
in equilibrium
11
A track star runs 100 m in 10 seconds. What is her velocity?
.1 m/s
10 m/s2
1000 m/s
10 m/s
12
SI unit for force
Kilogram
m/s2
Kilometer
Newton
13
Your weight equals mass times acceleration due to gravity. This is
Newton's Second Law
Newton's First Law
Newton's Third Law
Newton's Fourth Law
14
A vector includes
Speed
Direction
Magnitude
Displacement
15
Mass is _ acceleration
inversely proportional to
equivalent to
directly proportional to
dependent upon
16
An object accelerates when this occurs
there's an unbalanced force
there is gravity
there is air resistance
there is a balanced force
17
What is NOT true about this object?
it is accelerating
the net force on the object is zero
It is in equilibrium
it might be at rest
18
The sum of the forces acting on an object is
gravity
inertia
Net force
Newton's third law
19
What kind of friction is it when a submarine travels through the water?
rolling
fluid
sliding
static
20
Based on this diagram, which of the following forces is NOT a contact force?
Friction
Normal
Applied
Gravity
21
Which of the following affect the force of friction?
the time of day
surface area
what the surfaces that are rubbing are made of
the color of the two objects
22
the forces acting on a feather falling from a bird in the sky are
gravity & air resistance
mass & air resistance
weight & a balanced force
gravity & weight
23
What is this a picture of?
scalar arrows
A free body diagram
a force pictorial
multiple mass manuscripts
24
Which could be true about this object?
It is at rest
It is accelerating
it is equilibrium
It is moving with a constant velocity
25
A bat hits a ball. According to Newton's Third Law:
the ball hits the bat
a batter must swing the bat
the ball goes far
the bat decelerates in proportion to its mass
26
Newton's first law is the law of
equilibrium
action reaction
inertia
acceleration
27
The tendency of an object to resist a change in motion is due to
it's acceleration
the object's inertia
the force of friction
the force of gravity
28
The type of force measured by a bathroom scale is
air resistance
friction
weight
inertia
29
A crash dummy continues to move forward when the car crashes & comes to a stop. This shows
Newton's First Law
Newton's Third Law
Weight
Newton's Second Law
30
A push or a pull is a
friction
momentum
force
velocity
